CVE-2026-62355 | TDengine is an open source, time-series database optimized f… | CVSS 5.4 MEDIUM

Description

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, a Data Reader admin_user on a TDengine Cloud DB instance could run create udf even though standard users should have read-only permissions for non-database objects and show dnodes and create user were denied. This issue is fixed in version 3.4.1.15.

Metadata

CVE ID: CVE-2026-62355
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-07-13 22:04 UTC
Published: 2026-07-15 18:51 UTC
Last updated: 2026-07-15 19:23 UTC
Primary CWE: CWE-269
CWE-269: Improper Privilege Management
Vendor / Product: taosdata / TDengine
Sources: cve.org · NVD

Severity & Metrics

5.4 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
taosdata	TDengine	—	< 3.4.1.15

Weakness (CWE)

CWE	Source	Description
CWE-269	cna	CWE-269: Improper Privilege Management

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.4	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References (1)

https://github.com/taosdata/TDengine/security/advisories/GHSA-fmp7-rf4r-8q7p https://github.com/taosdata/TDengine/security/advisories/GHSA-fmp7-rf4r-8q7p